#app .wrap_content {
  width: 100%;
  height: calc(100vh - 60px);
  padding-top: 60px;
}
#app .main {
  height: 100%;
  width: 100%;
  background-color: skyblue;
}
#app .sideBar {
  width: 200px;
}
.header {
  height: 60px;
  position: fixed;
  top: 0;
  width: 100%;
  left: 0;
  z-index: 999;
  background: #999;
}
